SM UB-43
As the German UB-43

Date
Name
Nationality
Tonnage
Fate
14 September 1916
Italiana
United Kingdom
2,663
Sunk
17 September 1916
Dewa
United Kingdom
3,802
Sunk
17 September 1916
Lord Tredegar
United Kingdom
3,856
Sunk
10 October 1916
Elax
United Kingdom
3,980
Sunk
13 October 1916
Welsh Prince
United Kingdom
4,934
Sunk
3 November 1916
Statesman
United Kingdom
6,153
Sunk
4 November 1916
Clan Leslie
United Kingdom
3,937
Sunk
4 November 1916
Huntsvale
United Kingdom
5,398
Sunk
6 November 1916
Arabia
United Kingdom
7,903
Sunk
12 November 1916
Kapunda
United Kingdom
3,383
Sunk
13 December 1916
Bretwalda
United Kingdom
4,037
Sunk
14 December 1916
Russian
United Kingdom
8,825
Sunk
14 December 1916
Westminster
United Kingdom
4,342
Sunk
24 February 1917
Miaoulis
Greece
2,918
Sunk
26 February 1917
Clan Farquhar
United Kingdom
5,858
Sunk
27 February 1917
Brodmore
United Kingdom
4,071
Sunk
28 February 1917
Shinsei Maru
Japan
3,060
Sunk
26 March 1917
Ledbury
United Kingdom
3,046
Sunk
3 April 1917
Vasilefs Constantinos
Greece
4,070
Sunk
1 May 1917
British Sun
United Kingdom
5,565
Sunk
7 May 1917
Repton
United Kingdom
2,881
Sunk
26 May 1917
Dorothy
Greece
4,494
Sunk
10 June 1917
HMS Grafton
Royal Navy
7,350
Damaged
-
-
Sunk: Damaged: Total:
99,176 7,350 106,526
-

Question: When were the Elax and Welsh Prince attacked by UB-43?
Answer: Three days after sinking Elax, UB-43 sank another British ship, the Welsh Prince.